Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF0GJR callsign genealogy
Currently held by Johanson, David C
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KF0GJR's current licensee, walking backwards.
- Johanson, David CIAgranted 2018-10-18cancelled 2021-08-10
Successor callsigns
Callsigns held now by people who previously held KF0GJR.
- Johanson, David CIAgranted 2023-12-30